This article based on work done by Frontalot on Linkstationwiki.org
FreeLink is our effort to provide firmware which “frees” your LinkStation by replacing the stock LinkStation Linux build with the latest stable Debian build. Debian is one of the most popular Linux distributions. It is highly regarded for its simple interface and powerful aptitude package repository. Installing this distribution on your LinkStation thus opens you the door to many applications available at your fingertips, just using the apt utility. The price for this is that you will lose the web based configuration tool shipped with the stock firmware - if you are familiar with Linux and your LinkStation, this should be no problem (otherwise you should consider this fact).

FreeLink installs via the official LinkStation firmware updater, eliminating any need to open the LinkStation (see Articles/GeneralFirmwareFlash). Please make sure to read fully the included documentation.